/* ============================================================
   答案裁决所 · 设计系统 v1.0（法庭风）
   ============================================================ */

:root {
  /* 色板：法庭墨绿 × 纸张米白 × 印章朱红 */
  --bg: #101418;            /* 页面底色（深墨绿黑） */
  --bg-2: #161b21;          /* 卡片底色 */
  --bg-3: #1d242c;          /* 悬浮/按压色 */
  --paper: #f4efe4;         /* 证据卡/判决书纸张 */
  --paper-2: #ece5d3;       /* 纸张深一档 */
  --ink: #2a2620;           /* 纸张上的墨色文字 */
  --ink-soft: #6b6557;      /* 纸张上的次要文字 */
  --line: #d8cfba;          /* 纸张上的分隔线 */
  --red: #a3281d;           /* 印章朱红 */
  --red-2: #c0392b;         /* 红 hover */
  --gold: #b08d3e;          /* 强调金 */
  --green: #2e6b4f;         /* 驳回有效/通过 */
  --blue: #33567a;          /* 链接蓝 */
  --text: #e8e2d4;          /* 深色底上的正文 */
  --text-soft: #a89f8b;     /* 深色底上的次要文字 */
  --text-dim: #8d8574;      /* 深色底上的弱文字 */

  /* 字体 */
  --serif: "Songti SC", "SimSun", Georgia, serif;
  --sans: "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 圆角/阴影 */
  --r-sm: 2px;
  --r-md: 4px;
  --shadow-card: 0 10px 30px rgba(0, 0, 0, .35);
  --shadow-paper: 0 20px 50px rgba(0, 0, 0, .5);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  line-height: 1.7;
}

/* 背景纹理（老纸颗粒感） */
.bg-grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  opacity: .05;
  background-image: radial-gradient(rgba(255,255,255,.6) 1px, transparent 1px);
  background-size: 3px 3px;
}

/* ============ 顶栏 ============ */
.app-header {
  position: relative; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(16,20,24,.9);
}
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--serif); }
.brand .seal {
  width: 34px; height: 34px; border-radius: 50%;
  border: 2px solid var(--red); color: var(--red);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; letter-spacing: 2px;
  transform: rotate(-8deg);
}
.brand h1 { font-size: 19px; letter-spacing: 6px; font-weight: 700; }
.brand small { display: block; font-size: 10px; letter-spacing: 3px; color: var(--text-dim); margin-top: 2px; }
.verdict-no { font-family: var(--serif); color: var(--gold); font-size: 13px; letter-spacing: 2px; }

/* ============ 布局 ============ */
.app-main { position: relative; z-index: 5; max-width: 860px; margin: 0 auto; padding: 36px 24px 80px; }
.screen { display: none; }
.screen.active { display: block; animation: fadeUp .5s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.kicker { color: var(--gold); font-size: 12px; letter-spacing: 5px; text-transform: uppercase; margin-bottom: 10px; }
h2.title { font-family: var(--serif); font-size: 30px; line-height: 1.4; font-weight: 700; letter-spacing: 2px; }
.sub { color: var(--text-soft); font-size: 14px; line-height: 1.9; margin-top: 12px; }

/* ============ 按钮 ============ */
.btn {
  display: inline-block; border: 1px solid rgba(255,255,255,.25);
  color: var(--text); background: transparent;
  padding: 12px 26px; font-size: 15px; letter-spacing: 2px;
  cursor: pointer; transition: all .2s; font-family: var(--sans);
}
.btn:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-1px); }
.btn.primary { background: var(--red); border-color: var(--red); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--red-2); }
.btn.ghost { opacity: .85; }
.btn:disabled { opacity: .3; cursor: not-allowed; transform: none; }
.row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============ 首页英雄区 ============ */
.hero { text-align: center; padding: 40px 0 30px; }
.hero .bigseal {
  width: 88px; height: 88px; margin: 0 auto 22px;
  border-radius: 50%; border: 3px solid var(--red); color: var(--red);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 20px; font-weight: 700; letter-spacing: 4px;
  transform: rotate(-10deg);
  animation: stampIn .8s ease;
}
@keyframes stampIn {
  0% { opacity: 0; transform: rotate(-10deg) scale(1.6); }
  60% { opacity: 1; transform: rotate(-10deg) scale(.94); }
  100% { transform: rotate(-10deg) scale(1); }
}
.hero .slogan { font-family: var(--serif); font-size: 22px; letter-spacing: 3px; color: #cfc6ae; margin: 18px 0 8px; }
.hero .sub { max-width: 560px; margin: 0 auto; }

/* 刘看山引导者位 */
.lukan-host { width: 160px; height: 160px; margin: 0 auto 10px; }
.lukan-host img { width: 100%; height: 100%; object-fit: contain; }

/* ============ 三入口卡 ============ */
.entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 34px; }
.entry-card {
  background: var(--bg-2); border: 1px solid rgba(255,255,255,.12);
  padding: 24px 18px; text-align: center; cursor: pointer;
  transition: all .2s; position: relative;
}
.entry-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.entry-card.main { border-color: var(--red); }
.entry-card.main::after {
  content: "主流程"; position: absolute; top: -10px; right: 14px;
  background: var(--red); color: #fff; font-size: 10px; letter-spacing: 2px;
  padding: 3px 10px;
}
.entry-card .e-icon { font-size: 30px; margin-bottom: 10px; }
.entry-card h3 { font-family: var(--serif); font-size: 17px; letter-spacing: 2px; margin-bottom: 6px; }
.entry-card p { font-size: 12px; color: var(--text-dim); line-height: 1.6; }

/* ============ 审判广场 ============ */
.plaza { margin-top: 34px; }
.plaza h3 { font-family: var(--serif); font-size: 16px; letter-spacing: 3px; color: var(--text-soft); margin-bottom: 14px; }
.plaza-list { display: flex; flex-direction: column; gap: 10px; }
.plaza-item {
  background: var(--bg-2); border: 1px solid rgba(255,255,255,.1);
  padding: 16px 20px; display: flex; align-items: center; gap: 16px;
  cursor: pointer; transition: all .2s;
}
.plaza-item:hover { border-color: var(--gold); transform: translateX(4px); }
.plaza-item .q { flex: 1; font-size: 15px; letter-spacing: 1px; }
.plaza-item .meta { font-size: 11px; color: var(--text-dim); white-space: nowrap; }
.plaza-item .arrow { color: var(--gold); font-size: 18px; }

/* ============ 法庭（对抗审判） ============ */
.courtroom { background: var(--bg-2); border: 1px solid rgba(255,255,255,.1); overflow: hidden; margin-top: 26px; }
.court-head {
  padding: 18px 26px; border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; align-items: center;
}
.court-head .q { font-family: var(--serif); font-size: 15px; letter-spacing: 1px; }
.court-head .round-tag { color: var(--gold); font-size: 12px; letter-spacing: 3px; }
.round-track { display: flex; padding: 20px 26px 0; gap: 8px; }
.rt-dot { flex: 1; height: 4px; background: rgba(255,255,255,.1); }
.rt-dot.done { background: var(--green); }
.rt-dot.current { background: var(--gold); }
.round-area { padding: 28px 26px 34px; min-height: 340px; }
.gavel-line { font-size: 12px; color: var(--text-dim); letter-spacing: 2px; margin-bottom: 14px; }
.gavel-line b { color: var(--gold); }

/* ============ 证据卡 ============ */
.card-evidence {
  background: var(--paper); color: var(--ink);
  padding: 26px 28px; position: relative; margin: 6px 0 22px;
  box-shadow: var(--shadow-card);
  animation: cardIn .45s ease;
}
@keyframes cardIn { from { opacity: 0; transform: rotateX(40deg) translateY(20px); } to { opacity: 1; transform: none; } }
.card-evidence::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--red); }
.card-evidence .challenge { font-size: 12px; color: var(--red); letter-spacing: 3px; margin-bottom: 12px; font-weight: 700; }
.card-evidence .premise {
  font-size: 13px; background: var(--paper-2); border-left: 3px solid var(--gold);
  padding: 8px 12px; margin-bottom: 12px; color: var(--ink-soft);
}
.card-evidence .premise b { color: var(--gold); }
.card-evidence .text { font-family: var(--serif); font-size: 17px; line-height: 1.85; color: #3a342a; }
.card-evidence .src { display: flex; align-items: center; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.auth-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  padding: 3px 10px; border: 1px solid var(--gold); color: var(--gold); border-radius: 2px;
}
.auth-badge.lv3 { color: var(--green); border-color: var(--green); }
.auth-badge.lv4 { color: var(--red); border-color: var(--red); }
.votes { font-size: 12px; color: var(--ink-soft); }
.src .sep { width: 1px; height: 14px; background: var(--line); }
.strength { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--ink-soft); }
.strength .bars { display: inline-flex; gap: 2px; }
.strength .bar { width: 14px; height: 8px; background: var(--line); }
.strength .bar.on { background: var(--red); }
.ev-level {
  position: absolute; top: -14px; right: 22px;
  background: var(--red); color: #fff; font-size: 11px; letter-spacing: 2px;
  padding: 5px 14px; font-weight: 700; border-radius: 2px;
}
.ev-link {
  margin-left: auto; font-size: 11px; color: var(--blue);
  text-decoration: underline; cursor: pointer;
}

/* ============ 回应按钮 ============ */
.respond { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 6px; }
.resp-btn { padding: 14px 30px; font-size: 15px; letter-spacing: 2px; cursor: pointer; border: 1px solid; transition: all .2s; font-family: var(--sans); }
.resp-btn.rebut { border-color: var(--green); color: var(--green); background: transparent; }
.resp-btn.rebut:hover { background: var(--green); color: #fff; }
.resp-btn.hit { border-color: var(--red); color: var(--red); background: transparent; }
.resp-btn.hit:hover { background: var(--red); color: #fff; }

/* ============ 弹层（反驳理由） ============ */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.75); z-index: 50;
  display: none; align-items: center; justify-content: center; padding: 20px;
}
.modal.active { display: flex; }
.modal-box { background: var(--paper); color: var(--ink); max-width: 520px; width: 100%; padding: 30px; position: relative; animation: cardIn .3s ease; }
.modal-box h4 { font-family: var(--serif); font-size: 18px; letter-spacing: 2px; margin-bottom: 6px; }
.modal-box .m-sub { font-size: 13px; color: var(--ink-soft); margin-bottom: 20px; }
.opt {
  display: block; width: 100%; text-align: left; padding: 13px 16px; margin: 8px 0;
  border: 1px solid var(--line); background: transparent; color: var(--ink);
  font-size: 14px; cursor: pointer; transition: all .15s; font-family: var(--sans);
}
.opt:hover { border-color: var(--red); background: rgba(163,40,29,.06); }
.m-close { margin-top: 16px; text-align: right; }

/* ============ 聚焦追问 ============ */
.focus-zone { border: 1px dashed var(--gold); padding: 22px; margin-top: 10px; text-align: center; }
.focus-zone .fq { font-family: var(--serif); font-size: 18px; letter-spacing: 1px; line-height: 1.7; margin-bottom: 16px; color: var(--text); }
.focus-zone .fq b { color: var(--gold); }

/* ============ 系统判定提示 ============ */
.judge-msg { margin-top: 18px; text-align: center; font-size: 13px; letter-spacing: 2px; color: var(--text-dim); min-height: 20px; }
.judge-msg.green { color: var(--green); }
.judge-msg.red { color: var(--red); }

/* ============ 判决书 ============ */
.verdict-paper {
  background: var(--paper); color: var(--ink);
  padding: 46px 40px; position: relative; margin-top: 10px;
  box-shadow: var(--shadow-paper);
  animation: verdictIn .7s ease;
  border-top: 6px double var(--ink);
}
@keyframes verdictIn { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: none; } }
.verdict-paper .v-head { text-align: center; border-bottom: 2px solid var(--ink); padding-bottom: 16px; margin-bottom: 22px; position: relative; }
.verdict-paper .v-head h3 { font-family: var(--serif); font-size: 24px; letter-spacing: 8px; }
.verdict-paper .v-head .v-no { font-size: 12px; color: var(--ink-soft); letter-spacing: 3px; margin-top: 6px; }
.v-stamp {
  position: absolute; right: 0; top: 0; width: 84px; height: 84px;
  border: 3px solid var(--red); border-radius: 50%; color: var(--red);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 10px; letter-spacing: 2px; font-weight: 700;
  transform: rotate(-14deg); opacity: 0; transition: opacity .3s; font-family: var(--serif);
}
.v-stamp.show { opacity: .85; animation: stamp .5s ease; }
@keyframes stamp {
  0% { transform: rotate(-14deg) scale(1.8); opacity: 0; }
  60% { opacity: 1; transform: rotate(-14deg) scale(.92); }
  100% { transform: rotate(-14deg) scale(1); }
}
.v-line { margin: 14px 0; font-size: 14px; line-height: 1.9; }
.v-line .label { color: var(--ink-soft); letter-spacing: 2px; font-size: 12px; display: block; margin-bottom: 4px; }
.v-verdict { background: var(--paper-2); border-left: 4px solid var(--red); padding: 16px 20px; font-family: var(--serif); font-size: 17px; line-height: 1.9; margin: 18px 0; }
.v-weak { background: #f3e4e0; border: 1px solid #dcb9b0; padding: 14px 18px; font-size: 14px; line-height: 1.8; margin: 14px 0; }
.v-weak b { color: var(--red); }
.v-actions { background: var(--paper-2); padding: 14px 18px; font-size: 14px; line-height: 1.9; margin: 14px 0; }
.v-footer { display: flex; justify-content: space-between; align-items: flex-end; margin-top: 28px; border-top: 1px solid var(--line); padding-top: 16px; font-size: 12px; color: var(--ink-soft); }
.v-footer .sign { font-family: var(--serif); font-size: 16px; color: var(--ink); letter-spacing: 3px; }

/* ============ 决策论证卡 ============ */
.arg-card {
  background: var(--bg-2); border: 1px solid rgba(255,255,255,.12);
  padding: 24px; margin-top: 20px;
}
.arg-card h4 { font-family: var(--serif); font-size: 16px; letter-spacing: 3px; color: var(--gold); margin-bottom: 14px; }
.arg-row { display: flex; gap: 14px; padding: 10px 0; border-bottom: 1px dashed rgba(255,255,255,.1); font-size: 13px; }
.arg-row:last-child { border-bottom: none; }
.arg-row .k { flex: 0 0 110px; color: var(--text-dim); letter-spacing: 2px; font-size: 12px; }
.arg-row .v { flex: 1; color: var(--text); line-height: 1.7; }

/* ============ 分享/操作区 ============ */
.verdict-actions { display: flex; gap: 14px; justify-content: center; margin-top: 26px; flex-wrap: wrap; }
.footnote { text-align: center; color: var(--text-dim); font-size: 12px; margin-top: 26px; letter-spacing: 1px; line-height: 1.8; }
.next { text-align: center; margin-top: 34px; }

/* ============ 响应式 ============ */
@media (max-width: 720px) {
  .entry-grid { grid-template-columns: 1fr; }
  .plaza-item { flex-wrap: wrap; }
  .court-head { flex-direction: column; gap: 8px; text-align: center; }
  .verdict-paper { padding: 30px 22px; }
  .app-main { padding: 24px 14px 60px; }
}